panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND * 51958 65960 0 0 0x4000000 1K syz-executor 320010 50872 0 0x2 0 0 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830c42e4) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806ac283a8,20000000,20010000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1694 uvm_fault_wire(fffffd806ac283a8,20000000,20011000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1657 [inline] uvm_fault_wire(fffffd806ac283a8,20000000,20011000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1639 sysctl_vslock(20000100,ff0a) at sysctl_vslock+0x109 sys/kern/kern_sysctl.c:191 kern_sysctl(ffff80002ff783e4,5,20000100,ffff80002ff78418,0,37,efb8e24e6c061795) at kern_sysctl+0x1ad sys/kern/kern_sysctl.c:504 sys_sysctl(ffff8000ffff02b0,ffff80002ff78550,ffff80002ff784a0) at sys_sysctl+0x425 syscall(ffff80002ff78550) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002ff78550) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xac13927a2f0, count: 6 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: uvm_fault_unwire_locked: address not in map ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830c42e4) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806ac283a8,20000000,20010000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1694 uvm_fault_wire(fffffd806ac283a8,20000000,20011000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1657 [inline] uvm_fault_wire(fffffd806ac283a8,20000000,20011000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1639 sysctl_vslock(20000100,ff0a) at sysctl_vslock+0x109 sys/kern/kern_sysctl.c:191 kern_sysctl(ffff80002ff783e4,5,20000100,ffff80002ff78418,0,37,efb8e24e6c061795) at kern_sysctl+0x1ad sys/kern/kern_sysctl.c:504 sys_sysctl(ffff8000ffff02b0,ffff80002ff78550,ffff80002ff784a0) at sys_sysctl+0x425 syscall(ffff80002ff78550) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002ff78550) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xac13927a2f0, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002ff78030 rbx 0xffff800029b7cdbf rdx 0 rcx 0xffff8000ffff02b0 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xc76ec047ba2ff04c r11 0xeadce2a01c82a50a r12 0xffff800029b7cbc0 r13 0 r14 0 r15 0x1 rip 0xffffffff82bda975 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002ff78020 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=51958 pid=65960 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff16f0,0xffff8000ffff07d0 process=0xffff8000fffeed70 user=0xffff80002ff73000, vmspace=0xfffffd806ac283a8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 34782 51329 15105 0 2 0 syz-executor 65960 15810 78875 0 3 0x80 nanoslp syz-executor 65960 201871 78875 0 3 0x4000080 fsleep syz-executor *65960 51958 78875 0 7 0x4000000 syz-executor 65960 336013 78875 0 3 0x4000080 fsleep syz-executor 81462 440125 82904 0 2 0 syz-executor 81462 59320 82904 0 3 0x4000080 fsleep syz-executor 27299 8811 1 0 3 0x100083 ttyin getty 15105 320900 1503 0 3 0x82 nanoslp syz-executor 82904 320019 1503 0 3 0x82 nanoslp syz-executor 95461 298704 0 0 3 0x14200 bored sosplice 41522 194515 1503 0 3 0x2 biowait syz-executor 78875 519477 1503 0 3 0x82 nanoslp syz-executor 50872 320010 1503 0 7 0x2 syz-executor 1628 21151 1503 0 3 0x82 wait syz-executor 47865 309656 1503 0 3 0x82 piperd syz-executor 31536 515784 1503 0 2 0x2 syz-executor 1503 305738 5779 0 2 0x2 syz-executor 5779 430754 15901 0 3 0x10008a sigsusp ksh 15901 439643 15066 0 3 0x98 kqread sshd-session 15066 14781 35970 0 3 0x92 kqread sshd-session 35970 143965 1 0 3 0x88 kqread sshd 49107 487578 45004 74 3 0x1100092 bpf pflogd 45004 162540 1 0 3 0x80 sbwait pflogd 34537 125338 95090 73 3 0x1100090 kqread syslogd 95090 122291 1 0 3 0x100082 sbwait syslogd 2602 509696 1 0 3 0x100080 kqread resolvd 50641 417739 4517 77 3 0x100092 kqread dhcpleased 50774 509050 4517 77 3 0x100092 kqread dhcpleased 4517 231951 1 0 3 0x80 kqread dhcpleased 89678 251477 0 0 3 0x14200 bored smr 7347 392524 0 0 2 0x14200 zerothread 88303 9053 0 0 3 0x14200 aiodoned aiodoned 3569 329161 0 0 3 0x14200 syncer update 32628 424487 0 0 3 0x14200 cleaner cleaner 62956 95520 0 0 3 0x14200 reaper reaper 71764 101125 0 0 3 0x14200 pgdaemon pagedaemon 22455 339652 0 0 3 0x14200 bored viomb 11714 378809 0 0 3 0x40014200 acpi0 acpi0 17765 9902 0 0 3 0x40014200 idle1 35395 500809 0 0 3 0x14200 bored softnet3 90360 48455 0 0 3 0x14200 bored softnet2 52722 389548 0 0 3 0x14200 bored softnet1 72435 36489 0 0 3 0x14200 bored softnet0 56388 231334 0 0 3 0x14200 bored systqmp 7008 458572 0 0 3 0x14200 bored systq 67559 91053 0 0 3 0x14200 tmoslp softclockmp 65415 38312 0 0 3 0x40014200 tmoslp softclock 94584 248729 0 0 3 0x40014200 idle0 1 236536 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 65960 (syz-executor) thread 0xffff8000ffff02b0 (51958) shared rwlock vmmaplk r = 0 (0xfffffd806ac284a0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 uvm_fault_wire+0x116 uvm_fault_unwire sys/uvm/uvm_fault.c:1656 [inline] #1 uvm_fault_wire+0x116 sys/uvm/uvm_fault.c:1639 #2 sysctl_vslock+0x109 sys/kern/kern_sysctl.c:191 #3 kern_sysctl+0x1ad sys/kern/kern_sysctl.c:504 #4 sys_sysctl+0x425 #5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83617f98) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 __mp_acquire_count+0x58 #2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441 #3 sleep_finish+0x2e7 sys/kern/kern_synch.c:425 #4 rw_enter+0x348 sys/kern/kern_rwlock.c:285 #5 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5255 #6 uvmfault_lookup+0xe8 sys/uvm/uvm_fault.c:1813 #7 uvm_fault_check+0x831 uvmfault_amapcopy sys/uvm/uvm_fault.c:236 [inline] #7 uvm_fault_check+0x831 sys/uvm/uvm_fault.c:712 #8 uvm_fault+0xf5 sys/uvm/uvm_fault.c:600 #9 uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1636 #10 sysctl_vslock+0x109 sys/kern/kern_sysctl.c:191 #11 kern_sysctl+0x1ad sys/kern/kern_sysctl.c:504 #12 sys_sysctl+0x425 #13 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #13 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff834baa90) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:181 #3 kern_sysctl+0x1ad sys/kern/kern_sysctl.c:504 #4 sys_sysctl+0x425 #5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 Process 41522 (syz-executor) thread 0xffff800029fd9958 (194515) exclusive rrwlock inode r = 0 (0xfffffd806de09f80) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:169 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3099 #10 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] #10 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c5022b8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3084 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10226 11183K 11653K 166960K 13021 0 pcb 18 14K 16K 166960K 266 0 rtable 192 7K 7K 166960K 584 0 pf 37 18K 19K 166960K 85 0 ifaddr 40 6K 7K 166960K 79 0 ifgroup 58 2K 2K 166960K 106 0 sysctl 4 1K 1K 166960K 4 0 counters 66 36K 36K 166960K 94 0 ioctlops 0 0K 4K 166960K 1567 0 iov 0 0K 16K 166960K 122 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1457 92K 92K 166960K 2525 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 15 0 VM map 2 1K 1K 166960K 2 0 sem 15 10K 10K 166960K 53 0 dirhash 12 2K 3K 166960K 57 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 14 49K 93K 166960K 1341 0 sigio 0 0K 0K 166960K 31 0 proc 72 91K 128K 166960K 738 0 subproc 104 6K 6K 166960K 130 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 301 0 in_multi 83 6K 7K 166960K 187 0 ether_multi 1 0K 0K 166960K 8 0 mrt 2 0K 0K 166960K 5 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 235 1049K 1049K 166960K 235 0 exec 0 0K 1K 166960K 660 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 3 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 217 73K 87K 166960K 14169 0 UVM aobj 92 3K 3K 166960K 96 0 pinsyscall 39 78K 104K 166960K 2529 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 73 0 NDP 13 0K 1K 166960K 52 0 temp 73 6827K 7078K 166960K 38651 0 kqueue 13 20K 32K 166960K 202 0 SYN cache 2 10K 18K 166960K 3 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 24 0 0 1 0 1 1 0 8 0 rtpcb 120 221 0 218 3 0 3 3 0 8 2 rtentry 112 184 0 98 4 0 4 4 0 8 0 unpcb 144 877 0 859 5 3 2 4 0 8 1 syncache 336 6 0 6 3 3 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 808 487 0 480 12 7 5 8 0 8 4 arp 120 30 0 15 1 0 1 1 0 8 0 inpcb 336 1464 0 1454 13 5 8 8 0 8 7 nd6 136 39 0 16 1 0 1 1 0 8 0 pkpcb 40 3 0 3 2 1 1 1 0 8 1 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1168 7 0 6 1 0 1 1 0 8 0 pffrag 232 9 0 2 1 0 1 1 0 482 0 pffrnode 88 9 0 2 1 0 1 1 0 8 0 pffrent 40 22 0 15 1 0 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 97 0 22 1 0 1 1 0 8 0 pfstkey 128 97 0 22 3 0 3 3 0 8 0 pfstate 376 97 0 22 8 0 8 8 0 8 0 pfrule 1344 22 0 15 2 0 2 2 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 780 0 395 31 2 29 29 0 8 1 art_table 32 783 0 395 4 0 4 4 0 8 0 art_node 16 179 0 103 1 0 1 1 0 8 0 sysvmsgpl 40 26 0 16 1 0 1 1 0 8 0 semapl 112 46 0 33 1 0 1 1 0 8 0 shmpl 112 93 0 4 3 0 3 3 0 8 0 dirhash 1024 47 0 30 3 0 3 3 0 8 0 dino2pl 256 3873 0 2376 95 0 95 95 0 8 0 ffsino 272 3873 0 2376 101 0 101 101 0 8 0 nchpl 144 5733 0 5187 64 39 25 64 0 8 0 uvmvnodes 80 4648 0 0 95 0 95 95 0 8 0 vnodes 216 4648 0 0 259 0 259 259 0 8 0 namei 1024 19621 0 19620 2 1 1 2 0 8 0 percpumem 16 61 0 14 1 0 1 1 0 8 0 kstatmem 264 54 0 28 2 0 2 2 0 8 0 scsiplug 72 6 0 6 3 2 1 1 0 8 1 scxspl 216 16970 0 16969 12 10 2 8 1 8 1 plimitpl 152 208 0 191 1 0 1 1 0 8 0 sigapl 424 1655 0 1607 7 1 6 7 0 8 0 futexpl 64 17697 0 17694 1 0 1 1 0 8 0 knotepl 120 593 0 0 19 1 18 18 0 8 0 kqueuepl 216 447 0 436 4 2 2 3 0 8 1 pipepl 320 221 0 194 3 0 3 3 0 8 0 fdescpl 496 1635 0 1607 5 0 5 5 0 8 0 filepl 152 10012 0 9765 19 1 18 18 0 8 7 lockfpl 104 536 0 534 2 0 2 2 0 8 1 lockfspl 48 237 0 235 1 0 1 1 0 8 0 sessionpl 144 30 0 21 1 0 1 1 0 8 0 pgrppl 48 162 0 145 1 0 1 1 0 8 0 ucredpl 104 1801 0 1787 1 0 1 1 0 8 0 zombiepl 144 1609 0 1607 1 0 1 1 0 8 0 processpl 1160 1655 0 1607 5 1 4 5 0 8 0 procpl 648 3625 0 3573 8 2 6 7 0 8 0 srpgc 96 7 0 7 3 3 0 1 0 8 0 sosppl 168 6 0 6 3 2 1 1 0 8 1 sockpl 664 2592 0 2561 22 11 11 15 0 8 8 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 135 0 0 17 0 17 17 0 8 0 mcl2k 2048 23 0 0 3 0 3 3 0 8 0 mtagpl 96 44 0 0 2 0 2 2 0 8 0 mbufpl 256 1217 0 0 76 0 76 76 0 8 0 bufpl 280 4570 0 116 319 0 319 319 0 8 0 anonpl 24 293103 0 288123 79 22 57 57 0 185 17 amapchunkpl 152 45916 0 45419 33 5 28 30 0 158 1 amappl16 200 8062 0 8006 41 25 16 16 0 8 9 amappl15 192 9 0 9 1 1 0 1 0 8 0 amappl14 184 135 0 123 1 0 1 1 0 8 0 amappl13 176 11 0 11 2 2 0 1 0 8 0 amappl12 168 2334 0 2307 3 1 2 2 0 8 0 amappl11 160 53 0 39 1 0 1 1 0 8 0 amappl10 152 15 0 15 2 2 0 1 0 8 0 amappl9 144 183 0 183 1 1 0 1 0 8 0 amappl8 136 24 0 21 1 0 1 1 0 8 0 amappl7 128 121 0 108 1 0 1 1 0 8 0 amappl6 120 195 0 193 1 0 1 1 0 8 0 amappl5 112 159 0 145 1 0 1 1 0 8 0 amappl4 104 357 0 336 1 0 1 1 0 8 0 amappl3 96 8509 0 8430 3 0 3 3 0 8 0 amappl2 88 1963 0 1880 3 0 3 3 0 8 0 amappl1 80 12251 0 11704 14 0 14 14 0 8 0 amappl 88 13602 0 13448 6 1 5 5 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 254 0 254 2 1 1 1 0 8 1 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 95 0 4 2 0 2 2 0 8 0 uaddrrnd 24 1635 0 1607 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1635 0 1607 1 0 1 1 0 8 0 vmmpekpl 168 13483 0 13435 3 0 3 3 0 8 0 vmmpepl 168 108609 0 106874 106 11 95 97 0 357 6 vmsppl 448 1634 0 1607 6 2 4 5 0 8 0 rwobjpl 56 36715 0 31034 86 2 84 84 0 8 1 pdppl 4096 3277 0 3214 117 46 71 85 0 8 8 pvpl 32 16479 0 0 133 0 133 133 0 265 0 pmappl 248 1634 0 1607 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 489 0 68 13 0 13 13 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8343fff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc intr_handler(ffff80002a132050,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff83617d90) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83617d90) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80002a132220) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002a132220) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x72351d248910, count: 6 ddb{0}> trace x86_ipi_db(ffffffff8343fff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc intr_handler(ffff80002a132050,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff83617d90) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83617d90) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80002a132220) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002a132220) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x72351d248910, count: -9 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830c42e4) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806ac283a8,20000000,20010000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1694 uvm_fault_wire(fffffd806ac283a8,20000000,20011000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1657 [inline] uvm_fault_wire(fffffd806ac283a8,20000000,20011000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1639 sysctl_vslock(20000100,ff0a) at sysctl_vslock+0x109 sys/kern/kern_sysctl.c:191 kern_sysctl(ffff80002ff783e4,5,20000100,ffff80002ff78418,0,37,efb8e24e6c061795) at kern_sysctl+0x1ad sys/kern/kern_sysctl.c:504 sys_sysctl(ffff8000ffff02b0,ffff80002ff78550,ffff80002ff784a0) at sys_sysctl+0x425 syscall(ffff80002ff78550) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002ff78550) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xac13927a2f0, count: 6 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830c42e4) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806ac283a8,20000000,20010000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1694 uvm_fault_wire(fffffd806ac283a8,20000000,20011000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1657 [inline] uvm_fault_wire(fffffd806ac283a8,20000000,20011000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1639 sysctl_vslock(20000100,ff0a) at sysctl_vslock+0x109 sys/kern/kern_sysctl.c:191 kern_sysctl(ffff80002ff783e4,5,20000100,ffff80002ff78418,0,37,efb8e24e6c061795) at kern_sysctl+0x1ad sys/kern/kern_sysctl.c:504 sys_sysctl(ffff8000ffff02b0,ffff80002ff78550,ffff80002ff784a0) at sys_sysctl+0x425 syscall(ffff80002ff78550) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002ff78550) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xac13927a2f0, count: -9